4  Electrical wiring
130
SMGB0077 rev.0 - 01/2013
Follow the steps below to connect the remote control cable or the 
optional extension wire:
1  Pass the cable through the knockout hole in the cabinet.
2  Connect  the  cable to  terminals A  and B  of  the terminal  strip 
(TB1).
3  Tighten the screw on terminals A and B.
4  Check that the cables are correctly secured.
Follow the steps below to connect the power cables to the terminal strip (TB1):
N O T E
•  To connect a power supply to neutral, connect the cables to terminals L1 and N on the terminal strip (TB1).
•  To connect a power supply without neutral: make the connection to terminals L1 and L2 on the terminal strip 
(TB1).
 
1  Where necessary, loosen the screws on terminals L1 and N or L1 and L2, as applicable, on the terminal strip (TB1).
2  Connect the power cables to terminals L1 and N or L1 and L2, as applicable.
3  Tighten the screws on terminals L1 and N or L1 and L2, as applicable.
4  Check that the cables are correctly secured.
Follow the steps below to connect the communication cables between the outdoor and indoor unit to the terminal strip 
(TB1):
1  Where necessary, loosen the screws on terminals 1 and 2 on the terminal strip (TB1).
2  Connect the communication cables to terminals 1 and 2.
3  Tighten the screw on terminals 1 and 2.
4  Check that the cables are correctly secured.
Follow the steps below to connect the earthing cables to the earthing connection in the electrical box:
1  Where necessary, loosen the screw on the earthing connection in the electrical box.
2  Connect the shielded part of the power supply earth wire to the earth connection.
3  Connect the shielded part of the signal earth wire to the earth connection.
4  Tighten the screw on the earthing connection in the electrical box.
5  Check that the cables are correctly secured.